An item designed to automatically relieve vacuum, by the intake of air, when the internal pressure falls below atmospheric pressure. See also valve, vacuum regulating.
Classification: Other taps, cocks, valves, etc., nesoi
NSN 6320-01-283-9370
NSN 6135-01-062-9356
NSN 2925-00-720-3948
NSN 5905-00-195-6289
NSN 5930-01-479-7907
NSN 5895-00-389-7171
NSN 5965-01-470-9834
NSN 7035-01-431-9693
NSN 5915-01-323-4864
NSN 6130-01-197-7397
NSN 5930-01-019-7688
NSN 6105-01-447-5129